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Research from Kumamoto University Has Provided New Information about Biology

2013 JAN 1 (NewsRx) -- By a News Reporter-Staff News Editor at Life Science Weekly -- Investigators discuss new findings in Biology. According to news reporting from Kumamoto, Japan, by NewsRx journalists, research stated, "Vascular abnormalities are one of the common features in rheumatic diseases, but their pathogenesis is still not known. Angiogenin, a molecule implicated in the angiogenic process, may play some roles in such vascular changes."

The news correspondents obtained a quote from the research from Kumamoto University, "Serum angiogenin concentrations were measured in 21 scleroderma patients, 10 patients with systemic lupus erythematosus (SLE), 21 patients with dermatomyositis (DM), 5 patients with polymyositis (PM), 11 patients with clinically amyopathic DM (CADM) and 12 normal subjects, with specific enzyme-linked immunosorbent assays. Angiogenin mRNA in vivo was determined in skin tissues of 5 DM patients, 4 CADM patients, 5 SLE patients and 7 normal subjects using quantitative real-time polymerase chain reactions. We could not find any significant differences in the serum angiogenin levels among normal subjects and patients with rheumatic diseases. However, when we evaluated the correlation of serum angiogenin levels with clinical features of 32 DM/CADM patients, the patients with increased angiogenin levels had significantly higher aldolase levels than those with decreased levels. On the other hand, angiogenin mRNA is significantly up-regulated in the involved skin of DM and CADM, suggesting that angiogenin expression is up-regulated locally in the skin but not in sera of patients with DM and CADM."

According to the news reporters, the research concluded: "Dysregulated angiogenin expression may contribute to the pathogenesis of myositis as well as skin involvement via the vascular change in DM/CADM. Further studies with an increased number of patients may help to clarify the relationship between angiogenin and vascular abnormalities in rheumatic diseases and to develop new therapeutic strategies."

For more information on this research see: Angiogenin expression in the sera and skin of patients with rheumatic diseases. Bioscience Trends, 2012;6(5):229-33.

Our news journalists report that additional information may be obtained by contacting A. Kuwahara, Dept. of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan.

Keywords for this news article include: Asia, Japan, Biology, Kumamoto.

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